butt clinching

Tightness of your ass. Can be used when playing a game and either you are winning or losing.

I was butt clinching my ass while playing this game.

by eaudetoilet January 02, 2017

Butt clinching

a man squeezing their glutes together during oral sex to make it last longer.

The adult actor was butt clinching to last the whole hour.

by Coop Dupe June 09, 2018